# Copyright (C) 2007-2015  CEA/DEN, EDF R&D, OPEN CASCADE
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
#
# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
#
# Author: Adrien Bruneton
#

# GUI detection for Salome - this is typically called by dependent modules
# (PARAVIS, etc ...)
#
# The detection is simpler than for other prerequisites.
# See explanation in FindSalomeKERNEL.cmake.
#

IF(NOT SalomeGUI_FIND_QUIETLY)
  MESSAGE(STATUS "Looking for Salome GUI ...")
ENDIF()

SET(CMAKE_PREFIX_PATH "${GUI_ROOT_DIR}")
SALOME_FIND_PACKAGE(SalomeGUI SalomeGUI CONFIG)

IF(NOT SalomeGUI_FIND_QUIETLY)
  MESSAGE(STATUS "Found Salome GUI: ${GUI_ROOT_DIR}")
ENDIF()

FOREACH(_res ${SalomeGUI_EXTRA_ENV})
  SALOME_ACCUMULATE_ENVIRONMENT(${_res} "${SalomeGUI_EXTRA_ENV_${_res}}")
ENDFOREACH()

#----------------------------------------------------------------------------
# SALOME_GUI_WITH_CORBA is a macro useful for determining whether a SALOME GUI module 
# is built in not light mode (with CORBA)
#----------------------------------------------------------------------------
MACRO(SALOME_GUI_WITH_CORBA)
  IF(SALOME_GUI_LIGHT_ONLY)
    MESSAGE(FATAL_ERROR "\nWe absolutely need a Salome GUI module with CORBA.\nPlease set option SALOME_LIGHT_ONLY to OFF when building GUI module.")
  ENDIF()
ENDMACRO(SALOME_GUI_WITH_CORBA)

#----------------------------------------------------------------------------
# FULL_GUI is a macro useful for determining whether a GUI module
# builded in full mode
#----------------------------------------------------------------------------
MACRO(FULL_GUI)
  SET(_options)
  LIST(APPEND _options SALOME_USE_OCCVIEWER SALOME_USE_GLVIEWER SALOME_USE_VTKVIEWER
              SALOME_USE_PLOT2DVIEWER SALOME_USE_GRAPHICSVIEW SALOME_USE_QXGRAPHVIEWER
              SALOME_USE_SALOMEOBJECT SALOME_USE_PYCONSOLE)
  SALOME_GUI_MODE(${_options})
ENDMACRO(FULL_GUI)

#----------------------------------------------------------------------------
# SALOME_GUI_MODE is a macro useful for determining whether a GUI module
# builded in particular mode 
#----------------------------------------------------------------------------
#########################################################################
# FULL_GUI()
# 
# USAGE: FULL_GUI(_options)
#
# ARGUMENTS:
#   _options [input] List - The list of CMake options given to SALOME GUI
#
MACRO(SALOME_GUI_MODE _options)
  MESSAGE(STATUS "Checking status of GUI options ${_options}")
  SET(_message) 
  FOREACH(_option ${_options})
    IF(NOT ${_option})
      LIST(APPEND _message ${_option})
    ENDIF()
  ENDFOREACH()
  IF(_message)
    SET(_message "We absolutely need a Salome GUI module in full mode.\nThe following options should be set to ON when building GUI module:\n${_message}\n")
    IF(_corba_message)
      MESSAGE(FATAL_ERROR "${_corba_message}\n${_message}")
    ELSE()
      MESSAGE(FATAL_ERROR "${_message}")
    ENDIF()
  ELSEIF(_corba_message)
    MESSAGE(FATAL_ERROR "${_corba_message}") 
  ENDIF() 
ENDMACRO(SALOME_GUI_MODE)